powerpc/kernel/fadump.c

3  * Firmware Assisted dump: A robust mechanism to get reliable kernel crash
38  * The CPU who acquired the lock to trigger the fadump crash should
56 static struct fadump_mrange_info crash_mrange_info = { "crash", NULL, 0, 0, 0, false };
378 	/* Program headers for crash memory regions. */  in get_fadump_area_size()
810 	/* Allocate buffer to hold cpu crash notes. */  in fadump_setup_cpu_notes_buf()
897 		 * is moved to a different location at the time of crash.  in fadump_add_mem_range()
1001  * Traverse through memblock structure and setup crash memory ranges. These
1009 	pr_debug("Setup crash memory ranges.\n");  in fadump_setup_crash_memory_ranges()
1014 	 * different location at the time of crash. Create separate program  in fadump_setup_crash_memory_ranges()
1089 	 * will be populated during second kernel boot after crash. Hence  in fadump_create_elfcore_headers()
1179 	/* We will set the crashing cpu id in crash_fadump() during crash. */  in init_fadump_header()
1209 	/* Initialize fadump crash info header. */  in register_fadump()
1373  * crash'ed kernel's memory contents except reserved dump area (permanent
1670 	 * lets panic() function take crash friendly path before panic  in setup_fadump()
1698  * preserve crash data. The subsequent memory preserving kernel boot
1699  * is likely to process this crash data.
1706 		 * above boot memory to preserve crash data.  in fadump_reserve_mem()
1708 		pr_info("Preserving crash data for processing in next boot.\n");  in fadump_reserve_mem()
1733 		pr_info("Reserving %lluMB of memory at %#016llx for preserving crash data",  in fadump_reserve_crash_area()